:root {
  --accent: #0EA1E6;
  --bg: #FAF8FE;
  --fg: #1a1b1f;
  --card: #ffffff;
  --muted: #6b7280;
  --err: #dc2626;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141317;
    --fg: #e7e5ea;
    --card: #1e1d22;
    --muted: #9ca3af;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: system-ui, -apple-system, "Hiragino Sans", "Noto Sans JP", sans-serif;
}
.app-bar {
  display: flex; align-items: center; gap: 8px;
  padding: 10px 14px;
  background: var(--accent);
  color: #fff;
  position: sticky; top: 0; z-index: 10;
}
.app-bar .logo { border-radius: 7px; display: block; }
.app-bar .title { font-weight: 700; font-size: 18px; }
.tabs { display: flex; gap: 4px; padding: 8px 14px 0; }
.tab {
  flex: 1; padding: 10px; border: none; border-radius: 12px 12px 0 0;
  background: transparent; color: var(--muted); font-size: 15px; font-weight: 600;
  cursor: pointer;
}
.tab.active { background: var(--card); color: var(--fg); }
main { max-width: 560px; margin: 0 auto; padding: 0 12px 40px; }
.composer { background: var(--card); border-radius: 12px; padding: 10px; margin-top: 8px; }
.composer textarea {
  width: 100%; border: 1px solid transparent; border-radius: 8px;
  background: var(--bg); color: var(--fg); font: inherit; padding: 8px; resize: vertical;
}
.composer-bar { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
button.primary {
  background: var(--accent); color: #fff; border: none; border-radius: 20px;
  padding: 8px 20px; font: inherit; font-weight: 600; cursor: pointer;
}
button.primary:disabled { opacity: .5; }
button.ghost {
  background: transparent; color: var(--accent); border: 1px solid var(--accent);
  border-radius: 20px; padding: 6px 14px; font: inherit; cursor: pointer;
}
.status { font-size: 13px; color: var(--muted); min-width: 0; overflow: hidden; text-overflow: ellipsis; }
.status[data-state="ok"] { color: #16a34a; }
.status[data-state="err"] { color: var(--err); }
.feed-bar { display: flex; justify-content: space-between; align-items: center; margin: 10px 2px 4px; }
.note {
  background: var(--card); border-radius: 12px; padding: 12px; margin: 8px 0;
  overflow-wrap: anywhere;
}
.note.mine { border: 1px solid var(--accent); }
.note-head { display: flex; align-items: center; gap: 8px; margin-bottom: 6px; }
.avatar { width: 28px; height: 28px; border-radius: 50%; background: var(--bg); }
.name { font-weight: 700; font-size: 14px; }
.time { margin-left: auto; color: var(--muted); font-size: 12px; }
.body { white-space: pre-wrap; font-size: 15px; line-height: 1.5; }
.body a { color: var(--accent); }
.muted { color: var(--muted); font-size: 13px; padding: 8px 2px; }
h2 { font-size: 15px; margin: 18px 0 6px; }
#bunker-uri {
  width: 100%; border-radius: 8px; border: 1px solid var(--muted);
  background: var(--card); color: var(--fg); font: 12px monospace; padding: 8px;
  resize: vertical;
}
.row { display: flex; gap: 8px; margin-top: 8px; }
code { background: var(--card); border-radius: 6px; padding: 1px 5px; font-size: 12px; }